Vocabulary Words
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Translucent | An object that allows only some light to pass through (ex: wax
paper & frosted glass)
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Transparent | An object that allows virtually all light to pass through (ex:
clear window & plastic bottle)
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Opaque | An object that does not allow light to pass through; the light is
either reflected or absorbed by the object (ex: book & wood)
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Reflection | The bouncing of light, heat, or sound off a surface (ex: tinted
car window)
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Refraction | The bending of a wave, such as light or sound wave (ex: camera,
telescope, and eyeglasses)
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Convex | Lens rounded like the exterior of a circle; focuses light to form
image
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Concave | Lens where a surface curves inwards; spreads out light rays
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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